html,body,.pyg_view{
    height: 100%;
  }
  body{
    padding-top: 45px;
    padding-bottom: 45px;
  }
  .pyg_view{
    overflow: scroll;
    // background-color: #fff;
  }
  
  .pyg_header{
    padding: 5px;
    width: 100%;
    height: 45px;
    position: fixed;
    background-color: #fff;
    top: 0;
    left: 0;
  }
  .pyg_footer{
    width: 100%;
    height: 45px;
    position: fixed;
    bottom: 0;
    left: 0;
    background-color: #fff;
    border-top: 1px solid #ccc;
    display: flex;
    a{
      color: #000;
      font-size: 13px;
      text-align: center;
      padding-top: 5px;
      flex: 1;
      i{
        font-size: 18px;
      }
    }
  }

  .loadding {
    &::before {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-color: #fff;
      opacity: .5;
      content: "";
      z-index: 100;
    }
    &::after {
      font: normal normal normal 14px/1 FontAwesome;
      position: fixed;
      top: 40%;
      left: 50%;
      margin-left: -50px;
      font-size: 100px;
      color: #0094ff;
      content: "\f110";
      z-index: 101;
      animation: fa-spin 1s infinite linear;
    }
  }